The HHT
Programming Unit is used to program the SBC-2400
Traffic Controller, providing the required data
entry keypad and alphanumeric LCD display. Only one
unit is required for use with multiple controller.
Recommended for use with the HHT Programming unit
are the following:

Input Simulator Box.
Allows an
SBC-2400 Controller to be exercised for proper
programming, with no need to connected to an
actual intersection.

A Signal Output Test Display.
Shows
the signal outputs of the SBC-2400 controller. This Display consists of 8 Signal
Groups, each with Green, Yellow and Red LEDs.